Finding the Fourth Proportional to 201,701.60, 302,552.40 and 131,199.20
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Solution
The fourth proportional to 201,701.60, 302,552.40 and 131,199.20 is: 196,798.80
Step by Step Solution
- Step 1: Write the proportion equation
201,701.60 : 302,552.40 = 131,199.20 : x - Step 2: Convert to fraction form
201,701.60/302,552.40 = 131,199.20/x - Step 3: Cross multiply
201,701.60x = 302,552.40 × 131,199.20 - Step 4: Simplify right side
201,701.60x = 39,694,632,838.08 - Step 5: Solve for x
x = 39,694,632,838.08/201,701.60 - Step 6: Final answer
x = 196,798.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.